78867621

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18143}}^1$

素因数の和:18182

約数の個数: 32

約数和(自身を含む): 139345920

約数和(自身を除く): 60478299

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 18143, 54429, 127001, 163287, 381003, 417289, 489861, 1143009, 1251867, 2921023, 3429027, 3755601, 8763069, 11266803, 26289207, 78867621]

約数ペア:

[(1, 78867621), (3, 26289207), (7, 11266803), (9, 8763069), (21, 3755601), (23, 3429027), (27, 2921023), (63, 1251867), (69, 1143009), (161, 489861), (189, 417289), (207, 381003), (483, 163287), (621, 127001), (1449, 54429), (4347, 18143)]